How many vertices does a polyhedron have with 5 faces 3 rectangles and two triangles

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)